build: alpha-publish skip commenting if there is no PR associated with the branch instead of failing

[Yihao-G]

Description

Skip PR comment when branch has no open PR, so alpha publishing no longer fails on master.

Also upgrades actions/github-script v7 → v9 (no breaking changes affect our script).

Checklist

• My PR represents one logical piece of work
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works

[Yihao-G]

• build: alpha-publish skip commenting if there is no PR associated with the branch instead of failing #27 👈 (View in Graphite)
• master

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[github-actions]

🎉 Package published successfully!

📦 Package: @getvero/tracking
📌 Version: 0.0.0-alpha.20260818-604f299

You can install this version using:

npm install @getvero/tracking@0.0.0-alpha.20260818-604f299

[chatgpt-codex-connector]

💡 Codex Review

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Reviewed commit: 604f299471

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[andrewobrien]

Minor but shouldn't there always be a PR open for it regardless of whether it's alpha?

[Yihao-G]

For a stable release, we should merge the PR in and then trigger the release on the master branch only.